|Pick #|Player|Position|Nationality|NHL team|College/junior/club team|
|---|---|---|---|---|---|
|123|Paul Ames|Defence|United States|Pittsburgh Penguins|Billerica High School (USHS-MA)|
|124|Joe Reekie|Defence|Canada|Hartford Whalers|North Bay Centennials (OHL)|
|125|Greg Evtushevski|Right Wing|Canada|New Jersey Devils|Kamloops Blazers (WHL)|
|126|Bob Pierson|Left Wing|Canada|Detroit Red Wings|London Knights (OHL)|
|127|Tim Burgess|Defence|Canada|Los Angeles Kings|Oshawa Generals (OHL)|
|128|Cam Plante|Defence|Canada|Toronto Maple Leafs|Brandon Wheat Kings (WHL)|
|129|Iain Duncan|Left Wing|Canada|Winnipeg Jets|North York Rangers (OJHL)|
|130|Terry Maki|Left Wing|Canada|Vancouver Canucks|Brantford Alexanders (OHL)|
|131|Jeff Hogg|Goaltender|Canada|Calgary Flames|Oshawa Generals (OHL)|
|132|Craig Mack|Defence|United States|Quebec Nordiques|East Grand Forks High School (USHS-MN)|
|133|Steve Orth|Centre|United States|New York Rangers|St. Cloud State University (WCHA)|
|134|Christian Ruuttu|Centre|Finland|Buffalo Sabres|Pori (Finland)|
|135|Dwaine Hutton|Centre|Canada|Washington Capitals|Kelowna Wings (WHL)|
|136|Sean Toomey|Left Wing|United States|Minnesota North Stars|Cretin-Derham Hall High School (USHS-MN)|
|137|Jim Sprenger|Defence|United States|New York Islanders|Cloquet High School (USHS-MN)|
|138|Vladislav Tretiak|Goaltender|Soviet Union|Montreal Canadiens|Moscow CSKA (USSR)|
|139|Scott Birnie|Rignt wing|Canada|Chicago Black Hawks|Cornwall Royals (OHL)|
|140|Dale Derkatch|Centre|Canada|Edmonton Oilers|Regina Pats (WHL)|
|141|Bob Mormina|Right Wing|Canada|Philadelphia Flyers|Longueuil Chevaliers (QMJHL)|
|142|Ian Armstrong|Defence|Canada|Boston Bruins|Peterborough Petes (OHL)|

Question: how many centre position players are there?
Answer: 4